Electrical Machines Which of the following is minimized by laminating the core of a transformer? Stray loss. Copper loss. Eddy current loss. Hysteresis loss. Stray loss. Copper loss. Eddy current loss. Hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If any two leads from slip rings are interchanged in a 3 - Φ induction motor, the motor will not run. continue running in the same direction as before. get damaged. run in a direction opposite to previous one. not run. continue running in the same direction as before. get damaged. run in a direction opposite to previous one. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The synchronous speed of an induction motor will be increased by increasing of frequency. speed can not be increased. increasing number of poles. decreasing of frequency. increasing of frequency. speed can not be increased. increasing number of poles. decreasing of frequency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shunt generator has a critical field resistance of 300 Ω at a speed of 800 rpm if the speed is raised to 1000 rpm the critical field resistance is 375 Ω. 145 Ω. 150 Ω. 225 Ω. 375 Ω. 145 Ω. 150 Ω. 225 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is used in grinders? Capacitor start capacitor run IM. Capacitor start IM. Synchronous motor. Split phase IM. Capacitor start capacitor run IM. Capacitor start IM. Synchronous motor. Split phase IM. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Alternator operates on the principle of mutual induction. self or mutual induction. self induction. electromagnetic induction. mutual induction. self or mutual induction. self induction. electromagnetic induction. ANSWER DOWNLOAD EXAMIANS APP
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